Question

bryan was baking cupcakes for his stepfathers birthday. bryan wondered whether the volume of a cupcake would be affected by the type of flour in the batter. bryan bought three types of flour and made three batches of cupcakes. he followed the same recipe for each batch, except for the type of flour used. he made one batch using whole wheat flour, one batch using cake flour, and one batch using buckwheat flour. after all the batches had baked and cooled, bryan measured the dimensions of each cupcake to calculate its volume. which of the following was an independent variable in this experiment? the type of flour used the volume of the cupcakes cupcakes in a pan

Explanation:

In an experiment, the independent variable is what is changed. Here, Bryan changes the type of flour.

Answer:

the type of flour used